<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible" style="width: 80%;">
  <ContentWrap>
    <!-- 搜索工作栏 -->
    <el-form
      class="-mb-15px"
      :model="queryParams"
      ref="queryFormRef"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="题目" prop="questionText">
        <el-input
          v-model="queryParams.questionText"
          placeholder="请输入题目文本"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="题库名称" prop="bankName">
        <el-input
          v-model="queryParams.bankName"
          placeholder="请输入题库名称"
          clearable
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="类型" prop="questionType">
        <el-select
          v-model="queryParams.questionType"
          placeholder="请选择题目类型"
          clearable
          class="!w-240px"
        >
          <el-option v-for="item in questionTypeOptions" :key="item.value" :label="item.text" :value="item.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="难度" prop="difficultyLevel">
        <el-select
          v-model="queryParams.difficultyLevel"
          placeholder="请选择难度级别"
          clearable
          class="!w-240px"
        >
          <el-option v-for="item in difficultyLevelOptions" :key="item.value" :label="item.text" :value="item.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="创建时间" prop="createTime">
        <el-date-picker
          v-model="queryParams.createTime"
          value-format="YYYY-MM-DD HH:mm:ss"
          type="daterange"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          :default-time="[new Date('1 00:00:00'), new Date('1 23:59:59')]"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item>
        <el-button @click="handleQuery"><Icon icon="ep:search" class="mr-5px" /> 搜索</el-button>
        <el-button @click="resetQuery"><Icon icon="ep:refresh" class="mr-5px" /> 重置</el-button>

        <el-button type="primary" @click="submint()"> 确认</el-button>
        <el-button type="primary" @click="toggleSelection"> 清空选项</el-button>
        <el-button type="primary" @click="toggleSelection2()"> 清空选项</el-button>
      </el-form-item>
    </el-form>
  </ContentWrap>

  <!-- 列表 -->
  <ContentWrap>
    <el-table v-loading="loading" :data="list" :stripe="true" :show-overflow-tooltip="true"
              ref="multipleTableRef"
              @selection-change="handleSelectionChange"
              highlight-current-row
              :default-checked-keys="selectedRowKeys"
              :default-selection="multipleSelection"
              :row-class-name="rowClassName">
      <el-table-column type="selection" width="55"/>
      <el-table-column label="题库名称" align="center" prop="bankName">
        <template #default="scope">
          <el-tag v-if="scope.row.bankName!=null&&scope.row.bankName!=''">
            {{scope.row.bankName}}
          </el-tag>
          <el-tag v-else>
            ----
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="题目文本" align="center" prop="questionText" />
      <el-table-column label="题目类型" align="center" prop="questionType" >
        <template #default="scope">
          <el-tag v-if="scope.row.questionType===1">
            单选
          </el-tag>
          <el-tag v-if="scope.row.questionType===2">
            多选
          </el-tag>
          <el-tag v-if="scope.row.questionType===3">
            判断
          </el-tag>
          <el-tag v-if="scope.row.questionType===4">
            填空
          </el-tag>
          <el-tag v-if="scope.row.questionType===5">
            简答
          </el-tag>
          <el-tag v-if="scope.row.questionType===6">
            问答
          </el-tag>
          <el-tag v-if="scope.row.questionType===7">
            计算
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="难度" align="center" prop="difficultyLevel" >
        <template #default="scope">
          <el-tag v-if="scope.row.difficultyLevel===1">
            简单
          </el-tag>
          <el-tag v-if="scope.row.difficultyLevel===2">
            一般
          </el-tag>
          <el-tag v-if="scope.row.difficultyLevel===3">
            中等
          </el-tag>
          <el-tag v-if="scope.row.difficultyLevel===4">
            困难
          </el-tag>
          <el-tag v-if="scope.row.difficultyLevel===5">
            极难
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column
        label="创建时间"
        align="center"
        prop="createTime"
        :formatter="dateFormatter"
        width="180px"
      />
    </el-table>
    <!-- 分页 -->
    <Pagination
      :total="total"
      v-model:page="queryParams.pageNo"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />
  </ContentWrap>
  </Dialog>
</template>

<script setup lang="ts">
import { dateFormatter } from '@/utils/formatTime'
import download from '@/utils/download'
import { QuestionApi, QuestionVO } from '@/api/exam/question'
import {ElTable} from "element-plus";

/** 试题 列表 */
defineOptions({ name: 'Question' })

const emit = defineEmits(['selectQuestions']) // 定义 success 事件，用于操作成功后的回调
function submint() {
  dialogVisible.value = false
  emit('selectQuestions',multipleSelection.value)
}
const multipleTableRef = ref<InstanceType<typeof ElTable>>()

function toggleSelection2(){
  toggleSelection(multipleSelection.value,list.value);
}
const toggleSelection = (rows,rows2) => {
  if (rows) {
    console.log(rows)
    rows2.forEach((row2)=>{
      rows.forEach((row) => {
        if(row.id===row2.id){
          multipleTableRef.value!.toggleRowSelection(row2, undefined)
        }
      })
    })
  } else {
    multipleTableRef.value!.clearSelection()
  }
}
const message = useMessage() // 消息弹窗
const { t } = useI18n() // 国际化
const multipleSelection  = ref([]) ;
const selectedRowKeys = ref([])
function  handleSelectionChange(row) {
  multipleSelection.value = Array.from(new Set([...row, ...multipleSelection.value]));
  selectedRowKeys.value = multipleSelection.value.map(row => row.id);
}
function rowClassName({ row }) {
  return multipleSelection.value.some(item => item.id === row.id) ? 'highlight-row' : '';
}
function isCheck(row) {
  console.log(row)
  return false
  //return multipleSelection.value.some(item => item.id === row.id) ? true : false;
}
const loading = ref(true) // 列表的加载中
const list = ref<QuestionVO[]>([]) // 列表的数据
const total = ref(0) // 列表的总页数
const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  questionText: undefined,
  questionType: undefined,
  bankName: undefined,
  difficultyLevel: undefined,
  createTime: [],
})
const questionTypeOptions = ref([
  {text: '单选', value: 1,},
  {text: '多选', value: 2,},
  {text: '判断', value: 3,},
  {text: '填空', value: 4,},
  {text: '简答', value: 5,},
  {text: '问答', value: 6,},
  {text: '计算', value: 7,}
])
const difficultyLevelOptions = ref([
  {text: '简单', value: 1,},
  {text: '一般', value: 2,},
  {text: '中等', value: 3,},
  {text: '困难', value: 4,},
  {text: '极难', value: 5,},
])
const queryFormRef = ref() // 搜索的表单
const exportLoading = ref(false) // 导出的加载中
const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  multipleSelection.value=[]
  await getList();
}
defineExpose({open}) // 提供 open 方法，用于打开弹窗
/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const data = await QuestionApi.getQuestionPage(queryParams)
    list.value = data.list
    if(multipleSelection.value.length>0&&list.value.length>0){
      toggleSelection(multipleSelection.value,list.value);
    }
    total.value = data.total
  } finally {
    loading.value = false
  }
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.pageNo = 1
  getList()
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value.resetFields()
  handleQuery()
}
/** 初始化 **/
onMounted(() => {
  getList()
})
</script>
<style>
.highlight-row {
  background-color: #ee90c8 !important; /* 设置绿色背景颜色 */
}
</style>